urbit/gen164/5/cue.c
2014-01-06 12:37:42 -08:00

120 lines
3.2 KiB
C

/* j/3/cue.c
**
** This file is in the public domain.
*/
#include "all.h"
#include "../pit.h"
/* functions
*/
u2_ray T_r;
static u2_noun // produce
_cue_in(u2_wire wir_r,
u2_atom a, // retain
u2_atom b, // retain
u2_noun m) // retain
{
u2_noun p, q, r;
if ( _0 == j2_mbc(Pt3, cut)(wir_r, 0, b, 1, a) ) {
u2_noun x = j2_mbc(Pt1, inc)(wir_r, b);
u2_noun c = j2_mby(Pt5, rub)(wir_r, x, a);
p = j2_mbc(Pt1, inc)(wir_r, u2_h(c));
q = u2_rx(wir_r, u2_t(c));
// q = u2_cs_save(wir_r, T_r, 0, b, q);
r = j2_mcc(Pt4, by, put)(wir_r, m, b, u2_t(c));
u2_rz(wir_r, c);
u2_rz(wir_r, x);
}
else {
u2_noun c = j2_mbc(Pt1, add)(wir_r, _2, b);
u2_noun l = j2_mbc(Pt1, inc)(wir_r, b);
if ( _0 == j2_mbc(Pt3, cut)(wir_r, 0, l, 1, a) ) {
u2_noun u, v, w;
u2_noun x, y;
u = _cue_in(wir_r, a, c, m);
x = j2_mbc(Pt1, add)(wir_r, u2_h(u), c);
v = _cue_in(wir_r, a, x, u2_t(u2_t(u)));
w = u2_bc(wir_r, u2_rx(wir_r, u2_h(u2_t(u))),
u2_rx(wir_r, u2_h(u2_t(v))));
y = j2_mbc(Pt1, add)(wir_r, u2_h(u), u2_h(v));
p = j2_mbc(Pt1, add)(wir_r, _2, y);
q = w;
// q = u2_cs_save(wir_r, T_r, 0, b, w);
r = j2_mcc(Pt4, by, put)(wir_r, u2_t(u2_t(v)), b, w);
u2_rz(wir_r, u); u2_rz(wir_r, v); u2_rz(wir_r, x); u2_rz(wir_r, y);
}
else {
u2_noun d = j2_mby(Pt5, rub)(wir_r, c, a);
u2_noun x = j2_mcc(Pt4, by, get)(wir_r, m, u2_t(d));
// u2_weak T = u2_cs_find(wir_r, T_r, 0, u2_t(d));
p = j2_mbc(Pt1, add)(wir_r, _2, u2_h(d));
if ( u2_nul == x ) {
return u2_bl_bail(wir_r, c3__exit);
}
#if 0
else if ( (u2_none == T) || (u2_no == u2_sing(T, x)) ) {
printf("fail!\n");
return u2_bl_bail(wir_r, c3__fail);
}
#endif
q = u2_rx(wir_r, u2_t(x));
r = u2_rx(wir_r, m);
u2_rz(wir_r, x);
u2_rz(wir_r, d);
}
u2_rz(wir_r, l);
u2_rz(wir_r, c);
}
return u2_bt(wir_r, p, q, r);
}
u2_noun // transfer
j2_mby(Pt5, cue)(u2_wire wir_r,
u2_atom a) // retain
{
#if 0
if ( 0 == T_r ) {
T_r = u2_cs_make(wir_r);
}
#endif
{
u2_noun x = _cue_in(wir_r, a, _0, u2_nul);
u2_noun y = u2_rx(wir_r, u2_h(u2_t(x)));
u2_rz(wir_r, x);
return y;
}
}
u2_noun // transfer
j2_mb(Pt5, cue)(u2_wire wir_r,
u2_noun cor) // retain
{
u2_noun a;
if ( (u2_none == (a = u2_frag(u2_cv_sam, cor))) ) {
return u2_bl_bail(wir_r, c3__fail);
} else {
return j2_mby(Pt5, cue)(wir_r, a);
}
}
/* structures
*/
u2_ho_jet
j2_mbj(Pt5, cue)[] = {
{ ".2", c3__hevy, j2_mb(Pt5, cue), Tier3, u2_none, u2_none },
{ }
};